C++ MovementInfo::GetPos方法代码示例

bool WorldSession::VerifyMovementInfo(MovementInfo const& movementInfo, ObjectGuid const& guid) const
{
    // ignore wrong guid (player attempt cheating own session for not own guid possible...)
    if (guid != _player->GetMover()->GetObjectGuid())
        return false;

    if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
        return false;

    if (movementInfo.GetTransportGuid())
    {
        // transports size limited
        // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if (movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100)
            return false;

        if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
                                     movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o))
        {
            return false;
        }
    }

    return true;
}

void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->GetMover();
    Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if(plMover && plMover->IsBeingTeleported())
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* extract packet */
    ObjectGuid guid;
    MovementInfo movementInfo;

    recv_data >> guid.ReadAsPacked();
    recv_data >> movementInfo;
    /*----------------*/

    if (!VerifyMovementInfo(movementInfo, guid))
        return;

    // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
    if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
        plMover->HandleFall(movementInfo);

    /* process position-change */
    HandleMoverRelocation(movementInfo);

    if (plMover)
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

    // after move info set
    if (opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE)
        mover->UpdateWalkMode(mover, false);

    WorldPacket data(opcode, recv_data.size());
    data << mover->GetPackGUID();             // write guid
    movementInfo.Write(data);                               // write data
    mover->SendMessageToSetExcept(&data, _player);
    mover->m_movementInfo = movementInfo;
    mover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
}

void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
    //movementInfo.UpdateTime(WorldTimer::getMSTime());

    Unit *mover = _player->GetMover();

    if (Player *plMover = mover->ToPlayer())
    {
        if (sWorld.getConfig(CONFIG_ENABLE_PASSIVE_ANTICHEAT) && !plMover->hasUnitState(UNIT_STAT_LOST_CONTROL | UNIT_STAT_NOT_MOVE) && !plMover->GetSession()->HasPermissions(PERM_GMT) && plMover->m_AC_timer == 0)
            sWorld.m_ac.execute(new ACRequest(plMover, plMover->m_movementInfo, movementInfo));

        if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
        {
            if (!plMover->GetTransport())
            {
                // elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
                for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
                {
                    if ((*iter)->GetObjectGuid() == movementInfo.GetTransportGuid())
                    {
                        plMover->m_transport = (*iter);
                        (*iter)->AddPassenger(plMover);
                        break;
                    }
                }
            }
        }
        else if (plMover->GetTransport())               // if we were on a transport, leave
        {
            plMover->GetTransport()->RemovePassenger(plMover);
            plMover->SetTransport(NULL);
            movementInfo.ClearTransportData();
        }

        if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater())
        {
            // now client not include swimming flag in case jumping under water
            plMover->SetInWater(!plMover->IsInWater() || plMover->GetTerrain()->IsInWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z));
        }
    }

    mover->m_movementInfo = movementInfo;
    mover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);

    if (mover->GetObjectGuid().IsPlayer())
        mover->ToPlayer()->HandleFallUnderMap(movementInfo.GetPos()->z);
}

bool WorldSession::VerifyMovementInfo(MovementInfo const& movementInfo) const
{
    if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
        return false;

    if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
    {
        // transports size limited
        // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if (std::fabs(movementInfo.GetTransportPos()->x) > 250 || std::fabs(movementInfo.GetTransportPos()->y) > 250 || std::fabs(movementInfo.GetTransportPos()->z) > 100)
            return false;

        if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
                                     movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o))
            return false;
    }

    return true;
}

void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data)
{
    Unit *mover = _player->GetMover();
    Player *plMover = mover->ToPlayer();

    uint16 opcode = recv_data.GetOpcode();
    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if (plMover && plMover->IsBeingTeleported())
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    MovementInfo movementInfo;
    recv_data >> movementInfo;

    /*----------------*/
    if (recv_data.size() != recv_data.rpos())
    {
        sLog.outLog(LOG_DEFAULT, "ERROR: MovementHandler: player %s (guid %d, account %u) sent a packet (opcode %u) that is %u bytes larger than it should be. Kicked as cheater.", _player->GetName(), _player->GetGUIDLow(), _player->GetSession()->GetAccountId(), recv_data.GetOpcode(), recv_data.size() - recv_data.rpos());
        KickPlayer();
        return;
    }

    if (!Looking4group::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
        return;

    // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
    if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
        plMover->HandleFallDamage(movementInfo);

    /* process position-change */
    HandleMoverRelocation(movementInfo);
    SynchronizeMovement(movementInfo);

    if (plMover)
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

    WorldPacket data(opcode, recv_data.size());
    data << mover->GetPackGUID();                 // write guid
    movementInfo.Write(data);                     // write data
    mover->BroadcastPacketExcept(&data, _player);
}

bool WorldSession::VerifyMovementInfo(MovementInfo const& movementInfo, ObjectGuid const& guid) const
{
    // ignore wrong guid (player attempt cheating own session for not own guid possible...)
    if (guid != _player->GetMover()->GetObjectGuid())
        return false;

    if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
        return false;

    if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
    {
        if( !MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
                                     movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) )
        {
            return false;
        }
    }

    return true;
}

void WorldSession::HandleTaxiNextDestinationOpcode(WorldPacket& recv_data)
{
    DEBUG_LOG("WORLD: Received CMSG_MOVE_SPLINE_DONE");

    MovementInfo movementInfo;                              // used only for proper packet read

    recv_data >> movementInfo;
    recv_data >> Unused<uint32>();                          // unk

    // in taxi flight packet received at the end of current path in far (multi-node) flight

    uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
    if (!curDest)
        return;

    uint32 destinationnode = GetPlayer()->m_taxi.NextTaxiDestination();
    if (destinationnode > 0)                              // if more destinations to go
    {
        // current source node for next destination
        uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();

        // Add to taximask middle hubs in taxicheat mode (to prevent having player with disabled taxicheat and not having back flight path)
        if (GetPlayer()->isTaxiCheater())
        {
            if (GetPlayer()->m_taxi.SetTaximaskNode(sourcenode))
            {
                WorldPacket data(SMSG_NEW_TAXI_PATH, 0);
                _player->GetSession()->SendPacket(&data);
            }
        }

        DEBUG_LOG("WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode);

        uint16 MountId = sObjectMgr.GetTaxiMount(sourcenode, GetPlayer()->GetTeam());

        uint32 path, cost;
        sObjectMgr.GetTaxiPath(sourcenode, destinationnode, path, cost);

        if (path && MountId)
            SendDoFlight(MountId, path, 1);               // skip start fly node
        else
            GetPlayer()->m_taxi.ClearTaxiDestinations();    // clear problematic path and next

        return;
    }
    else
    {
        GetPlayer()->m_taxi.ClearTaxiDestinations();        // not destinations, clear source node

         // has taxi flight just finished reset fall information to avoid receiving fall damage
        GetPlayer()->SetFallInformation(0, movementInfo.GetPos()->GetPositionZ());
    }
    GetPlayer()->CleanupAfterTaxiFlight();
}

void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->GetMover();
    Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if(plMover && plMover->IsBeingTeleported())
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* extract packet */
    ObjectGuid guid;
    MovementInfo movementInfo;

    recv_data >> guid.ReadAsPacked();
    recv_data >> movementInfo;
    /*----------------*/

    if (!VerifyMovementInfo(movementInfo, guid))
        return;

    // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
    if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
        plMover->HandleFall(movementInfo);


    // ---- anti-cheat features -->>>
    uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL);
    static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport();
    if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() &&
        GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() &&
        GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE &&
        Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff)
    {
        const uint32 CurTime=getMSTime();
        if (getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > sWorld.GetMvAnticheatAlarmPeriod())
        {
            GetPlayer()->m_anti_alarmcount = 0;
       }
        /* I really don't care about movement-type yet (todo)
        UnitMoveType move_type;

        if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = MOVE_FLY;
        else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = MOVE_SWIM;
        else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK;
        else move_type = MOVE_RUN;*/
        float delta_x = GetPlayer()->GetPositionX() - movementInfo.GetPos()->x;
        float delta_y = GetPlayer()->GetPositionY() - movementInfo.GetPos()->y;
        float delta_z = GetPlayer()->GetPositionZ() - movementInfo.GetPos()->z;
        float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2)
        float tg_z = 0.0f; //tangens
        float delta_t = getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime);

        GetPlayer()->m_anti_lastmovetime = CurTime;
        GetPlayer()->m_anti_MovedLen += delta;

       if (delta_t > 15000.0f)
        {   delta_t = 15000.0f;   }

        // Tangens of walking angel
        if (!(movementInfo.GetMovementFlags() & (MOVEFLAG_FLYING | MOVEFLAG_SWIMMING)))
        {
            tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f;
        }

        //antiOFF fall-damage, MOVEMENTFLAG_UNK4 seted by client if player try movement when falling and unset in this case the MOVEMENTFLAG_FALLING flag.
        if ((!GetPlayer()->CanFly() && GetPlayer()->m_anti_BeginFallZ == INVALID_HEIGHT) &&
            (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLING | MOVEFLAG_FALLINGFAR)) != 0)
        {
            GetPlayer()->m_anti_BeginFallZ=(float)(movementInfo.GetPos()->z);
        }

       if (GetPlayer()->m_anti_NextLenCheck <= CurTime)
       {
            // Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms
           uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck;
            float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime));
            GetPlayer()->m_anti_NextLenCheck = CurTime+500;
           GetPlayer()->m_anti_MovedLen = 0.0f;
            static const float MaxDeltaXYT = sWorld.GetMvAnticheatMaxXYT();

           if (delta_xyt > MaxDeltaXYT && delta<=100.0f && GetPlayer()->GetZoneId() != 2257)
            {
                if (sWorld.GetMvAnticheatSpeedCheck())
                    Anti__CheatOccurred(CurTime,"Speed hack",delta_xyt,LookupOpcodeName(opcode),
                   (float)(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()),
                    (float)(getMSTimeDiff(OldNextLenCheck-500,CurTime)));
            }
       }

        if (delta > 100.0f && GetPlayer()->GetZoneId() != 2257)
        {
           if (sWorld.GetMvAnticheatTeleportCheck())
                Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode));
//.........这里部分代码省略.........

void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->GetMover();
    Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if (plMover && plMover->IsBeingTeleported())
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* extract packet */
    ObjectGuid guid;
    MovementInfo movementInfo;

    recv_data >> guid.ReadAsPacked();
    recv_data >> movementInfo;
    /*----------------*/

    if (!Diamond::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* handle special cases */
    if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
    {
        // transports size limited
        // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if ( movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100 )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        if ( !Diamond::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
            movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        // if we boarded a transport, add us to it
        if (plMover && !plMover->m_transport)
        {
            float trans_rad = movementInfo.GetTransportPos()->x*movementInfo.GetTransportPos()->x + movementInfo.GetTransportPos()->y*movementInfo.GetTransportPos()->y + movementInfo.GetTransportPos()->z*movementInfo.GetTransportPos()->z;
            if (trans_rad > 3600.0f) // transport radius = 60 yards //cheater with on_transport_flag
            {
                 return;
            }
            // elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
            for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
            {
                if ((*iter)->GetObjectGuid() == movementInfo.GetTransportGuid())
                {
                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);

                    if (plMover->GetVehicleKit())
                        plMover->GetVehicleKit()->RemoveAllPassengers();

                    break;
                }
            }
        }
    }
    else if (plMover && plMover->m_transport)               // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.ClearTransportData();
    }

    // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
    if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
        plMover->HandleFall(movementInfo);

    if (plMover && (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater()))
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) );
        if (plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f))
        {
            plMover->m_anti_BeginFallZ=INVALID_HEIGHT;
        }
    }

    // ---- anti-cheat features -->>>
    uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL);
    static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport();
    if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() &&
        GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() &&
        GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE &&
        Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff)
//.........这里部分代码省略.........

void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
    if (m_clientTimeDelay == 0)
        m_clientTimeDelay = WorldTimer::getMSTime() - movementInfo.GetTime();
    movementInfo.UpdateTime(movementInfo.GetTime() + m_clientTimeDelay + MOVEMENT_PACKET_TIME_DELAY);

    Unit* mover = _player->GetMover();

    if (Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : nullptr)
    {
        if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
        {
            if (!plMover->m_transport)
            {
                // elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
                for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
                {
                    if ((*iter)->GetObjectGuid() == movementInfo.GetTransportGuid())
                    {
                        plMover->m_transport = (*iter);
                        (*iter)->AddPassenger(plMover);
                        break;
                    }
                }
            }
        }
        else if (plMover->m_transport)               // if we were on a transport, leave
        {
            plMover->m_transport->RemovePassenger(plMover);
            plMover->m_transport = nullptr;
            movementInfo.ClearTransportData();
        }

        if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater())
        {
            // now client not include swimming flag in case jumping under water
            plMover->SetInWater(!plMover->IsInWater() || plMover->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z));
        }

        plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
        plMover->m_movementInfo = movementInfo;

        if (movementInfo.GetPos()->z < -500.0f)
        {
            if (plMover->GetBattleGround()
                    && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if (plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if (!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
    else                                                    // creature charmed
    {
        if (mover->IsInWorld())
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
    }
}

void WorldSession::HandleMovementOpcodes(WorldPacket& recv_data)
{
    Unit* mover = _player->m_mover;

    ASSERT(mover != NULL);                                  // there must always be a mover

    Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? mover->ToPlayer() : NULL;

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if (plMover && plMover->IsBeingTeleported())
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    //get opcode
    uint16 opcode = recv_data.GetOpcode();

    /* extract packet */
    MovementInfo movementInfo;
    recv_data >> movementInfo;
    /*----------------*/

    /*if (recv_data.size() != recv_data.rpos())
    {
        sLog.outError("MovementHandler: player %s (guid %d, account %u) sent a packet (opcode %u) that is %u bytes larger than it should be. Kicked as cheater.", _player->GetName(), _player->GetGUIDLow(), _player->GetSession()->GetAccountId(), opcode, recv_data.size() - recv_data.rpos());
        KickPlayer();
        return;
    }*/

    if (!BlizzLike::IsValidMapCoord(movementInfo.GetPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY(), movementInfo.GetPos()->GetPositionZ(), movementInfo.GetPos()->GetOrientation()))
        return;

    //Save movement flags
    mover->SetUnitMovementFlags(movementInfo.GetMovementFlags());

    /* handle special cases */
    if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
    {
        // transports size limited
        // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if (movementInfo.GetTransportPos()->GetPositionX() > 50 || movementInfo.GetTransportPos()->GetPositionY() > 50 || movementInfo.GetTransportPos()->GetPositionZ() > 50)
            return;

        if (!BlizzLike::IsValidMapCoord(movementInfo.GetPos()->GetPositionX() + movementInfo.GetTransportPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY() + movementInfo.GetTransportPos()->GetPositionY(),
            movementInfo.GetPos()->GetPositionZ() + movementInfo.GetTransportPos()->GetPositionZ(), movementInfo.GetPos()->GetOrientation() + movementInfo.GetTransportPos()->GetOrientation()))
            return;

        // if we boarded a transport, add us to it
        if (plMover && !plMover->m_transport)
        {
            // elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
            for (MapManager::TransportSet::iterator iter = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
            {
                if ((*iter)->GetGUID() == movementInfo.t_guid)
                {
                    // unmount before boarding
                    plMover->RemoveSpellsCausingAura(SPELL_AURA_MOUNTED);

                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);
                    break;
                }
            }
        }
    }
    else if (plMover && plMover->m_transport)               // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.ClearTransportData();
    }

    // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
    if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->isInFlight())
        plMover->HandleFallDamage(movementInfo);

    if (plMover && (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater()))
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater(!plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY(), movementInfo.GetPos()->GetPositionZ()));
    }

    /* process position-change */
    recv_data.put<uint32>(5, getMSTime());                  // offset flags(4) + unk(1)
    WorldPacket data(opcode, mover->GetPackGUID().size() + recv_data.size());
    data << mover->GetPackGUID();
    data.append(recv_data.contents(), recv_data.size());
    if (mover->isCharmed() && mover->GetCharmer())
        mover->GetCharmer()->SendMessageToSet(&data, false);
    else
        mover->SendMessageToSet(&data, false);

    mover->m_movementInfo = movementInfo;
    mover->SetPosition(movementInfo.GetPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY(), movementInfo.GetPos()->GetPositionZ(), movementInfo.GetPos()->GetOrientation());

    if (plMover)                                            // nothing is charmed, or player charmed
    {
        if (opcode == MSG_MOVE_FALL_LAND || plMover->m_lastFallTime > movementInfo.GetFallTime() || plMover->m_lastFallZ < movementInfo.GetPos()->GetPositionZ())
            plMover->SetFallInformation(movementInfo.GetFallTime(), movementInfo.GetPos()->GetPositionZ());
//.........这里部分代码省略.........

void WorldSession::HandleTaxiNextDestinationOpcode(WorldPacket& recv_data)
{
    DEBUG_LOG("WORLD: Received CMSG_MOVE_SPLINE_DONE");

    MovementInfo movementInfo;                              // used only for proper packet read

    recv_data >> movementInfo;
    recv_data >> Unused<uint32>();                          // unk

    // in taxi flight packet received at the end of current path in far (multi-node) flight

    uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
    if (!curDest)
        return;

    TaxiNodesEntry const* curDestNode = sTaxiNodesStore.LookupEntry(curDest);

    // far teleport case
    if (curDestNode && curDestNode->map_id != GetPlayer()->GetMapId())
    {
        if (GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
        {
            // short preparations to continue flight
            FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());

            flight->SetCurrentNodeAfterTeleport();
            TaxiPathNodeEntry const& node = flight->GetPath()[flight->GetCurrentNode()];
            flight->SkipCurrentNode();

            GetPlayer()->TeleportTo(curDestNode->map_id, node.x, node.y, node.z, GetPlayer()->GetOrientation());
        }
        return;
    }

    uint32 destinationnode = GetPlayer()->m_taxi.NextTaxiDestination();
    if (destinationnode > 0)                              // if more destinations to go
    {
        // current source node for next destination
        uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();

        // Add to taximask middle hubs in taxicheat mode (to prevent having player with disabled taxicheat and not having back flight path)
        if (GetPlayer()->isTaxiCheater())
        {
            if (GetPlayer()->m_taxi.SetTaximaskNode(sourcenode))
            {
                WorldPacket data(SMSG_NEW_TAXI_PATH, 0);
                _player->GetSession()->SendPacket(&data);
            }
        }

        DEBUG_LOG("WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode);

        uint16 MountId = sObjectMgr.GetTaxiMount(sourcenode, GetPlayer()->GetTeam());

        uint32 path, cost;
        sObjectMgr.GetTaxiPath(sourcenode, destinationnode, path, cost);

        if (path && MountId)
            SendDoFlight(MountId, path, 1);               // skip start fly node
        else
            GetPlayer()->m_taxi.ClearTaxiDestinations();    // clear problematic path and next

        return;
    }
    else
    {
        GetPlayer()->m_taxi.ClearTaxiDestinations();        // not destinations, clear source node

         // has taxi flight just finished reset fall information to avoid receiving fall damage
        GetPlayer()->SetFallInformation(0, movementInfo.GetPos()->GetPositionZ());
    }
    GetPlayer()->CleanupAfterTaxiFlight();
}

void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->GetMover();
    Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if(plMover && plMover->IsBeingTeleported())
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* extract packet */
    ObjectGuid guid;
    MovementInfo movementInfo;

    recv_data >> guid.ReadAsPacked();
    recv_data >> movementInfo;
    /*----------------*/

    if (!VerifyMovementInfo(movementInfo, guid))
        return;

    // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
    if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
        plMover->HandleFall(movementInfo);

    /* process position-change */
    HandleMoverRelocation(movementInfo);

    if (plMover)
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

    /* process position-change */

	if (!plMover)
		return;

    movementInfo.UpdateTime(getMSTime());

    if(plMover)                                             // nothing is charmed, or player charmed
    {
		WorldPacket data(opcode, recv_data.size());
		data << mover->GetPackGUID();							// write guid
		movementInfo.Write(data);                               // write data
		mover->SendMessageToSetExcept(&data, _player);

        plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
        plMover->m_movementInfo = movementInfo;
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

        // after move info set
    if (opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE)
        mover->UpdateWalkMode(mover, false);

        if(plMover->isMovingOrTurning())
            plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if(movementInfo.GetPos()->z < -500.0f)
        {
            if(plMover->InBattleGround()
                && plMover->GetBattleGround()
                && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if(plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if(!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
    else                                                    // creature charmed
    {
        if(mover->IsInWorld())
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
    }
}

void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
    movementInfo.UpdateTime(getMSTime());

    Unit *mover = _player->GetMover();

    if (Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL)
    {
        if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
        {
            if (!plMover->GetTransport())
            {
                float trans_rad = movementInfo.GetTransportPos()->x*movementInfo.GetTransportPos()->x + movementInfo.GetTransportPos()->y*movementInfo.GetTransportPos()->y + movementInfo.GetTransportPos()->z*movementInfo.GetTransportPos()->z;
                if (trans_rad > 3600.0f) // transport radius = 60 yards //cheater with on_transport_flag
                {
                  return;
                }
                // elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
                for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
                {
                    Transport* transport = *iter;

                    if (transport->GetObjectGuid() == movementInfo.GetTransportGuid())
                    {
                    plMover->SetTransport(transport);
                    transport->AddPassenger(plMover);

                    if (plMover->GetVehicleKit())
                        plMover->GetVehicleKit()->RemoveAllPassengers();

                        break;
                    }
                }
            }
        }
        else if (plMover->GetTransport())               // if we were on a transport, leave
        {
            plMover->GetTransport()->RemovePassenger(plMover);
            plMover->SetTransport(NULL);
            movementInfo.ClearTransportData();
        }

        if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater())
        {
            // now client not include swimming flag in case jumping under water
            plMover->SetInWater( !plMover->IsInWater() || plMover->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) );
        }

        if(plMover->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f))
        {
            plMover->m_anti_BeginFallZ=INVALID_HEIGHT;
        }

        plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
        plMover->m_movementInfo = movementInfo;

        if(movementInfo.GetPos()->z < -500.0f)
        {
            if(plMover->InBattleGround()
                && plMover->GetBattleGround()
                && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if(plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if(!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
}

void WorldSession::HandleTaxiNextDestinationOpcode(WorldPacket& recv_data)
{
    DEBUG_LOG("WORLD: Received CMSG_MOVE_SPLINE_DONE");

    MovementInfo movementInfo;                              // used only for proper packet read
    recv_data >> movementInfo;

    recv_data.read_skip<uint32>();                          // unk

    // in taxi flight packet received in 2 case:
    // 1) end taxi path in far (multi-node) flight
    // 2) switch from one map to other in case multim-map taxi path
    // we need process only (1)
    uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
    if (!curDest)
    {
        // Movement Anticheat
        GetPlayer()->Relocate(movementInfo.GetPos());
        GetPlayer()->m_movementInfo = movementInfo;
        GetPlayer()->m_anti_lastmovetime = movementInfo.time;
        GetPlayer()->m_anti_justteleported = true;
        //<<< end Movement Anticheat
         return;
    }

    TaxiNodesEntry const* curDestNode = sTaxiNodesStore.LookupEntry(curDest);

    if (curDestNode && curDestNode->map_id == GetPlayer()->GetMapId())
    {
        while(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
              GetPlayer()->GetMotionMaster()->MovementExpired(false);
    }

    // Movement Anticheat
    GetPlayer()->SetPosition(movementInfo.GetPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY(), movementInfo.GetPos()->GetPositionZ(), movementInfo.GetPos()->GetOrientation());
    GetPlayer()->m_movementInfo = movementInfo;
    GetPlayer()->m_anti_lastmovetime = movementInfo.time;
    //<<< end Movement Anticheat

    // far teleport case
    if (curDestNode && curDestNode->map_id != GetPlayer()->GetMapId())
    {
        if (GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
        {
            // short preparations to continue flight
            FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());

            flight->SetCurrentNodeAfterTeleport();
            TaxiPathNodeEntry const& node = flight->GetPath()[flight->GetCurrentNode()];
            flight->SkipCurrentNode();

            GetPlayer()->TeleportTo(curDestNode->map_id,node.x,node.y,node.z,GetPlayer()->GetOrientation());
        }
        return;
    }

    uint32 destinationnode = GetPlayer()->m_taxi.NextTaxiDestination();
    if (destinationnode > 0)                              // if more destinations to go
    {
        // current source node for next destination
        uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();

        // Add to taximask middle hubs in taxicheat mode (to prevent having player with disabled taxicheat and not having back flight path)
        if (GetPlayer()->isTaxiCheater())
        {
            if (GetPlayer()->m_taxi.SetTaximaskNode(sourcenode))
            {
                WorldPacket data(SMSG_NEW_TAXI_PATH, 0);
                _player->GetSession()->SendPacket(&data);
            }
        }

        DEBUG_LOG("WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode);

        uint16 MountId = objmgr.GetTaxiMount(sourcenode, GetPlayer()->GetTeam());

        uint32 path, cost;
        objmgr.GetTaxiPath(sourcenode, destinationnode, path, cost);

        if (path && MountId)
            SendDoFlight(MountId, path, 1);               // skip start fly node
        else
            GetPlayer()->CleanupAfterTaxiFlight();    // clear problematic path and next
    }
    else
        GetPlayer()->CleanupAfterTaxiFlight();        // not destinations, clear source node
}